218638980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{8263}}^1$

素因数の和:8295

約数の個数: 144

約数和(自身を含む): 791360640

約数和(自身を除く): 572721660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8263, 8820, 13230, 16526, 24789, 26460, 33052, 41315, 49578, 57841, 74367, 82630, 99156, 115682, 123945, 148734, 165260, 173523, 223101, 231364, 247890, 289205, 297468, 347046, 371835, 404887, 446202, 495780, 520569, 578410, 694092, 743670, 809774, 867615, 892404, 1041138, 1115505, 1156820, 1214661, 1487340, 1561707, 1619548, 1735230, 2024435, 2082276, 2231010, 2429322, 2602845, 3123414, 3470460, 3643983, 4048870, 4462020, 4858644, 5205690, 6073305, 6246828, 7287966, 7808535, 8097740, 10411380, 10931949, 12146610, 14575932, 15617070, 18219915, 21863898, 24293220, 31234140, 36439830, 43727796, 54659745, 72879660, 109319490, 218638980]

約数ペア:

[(1, 218638980), (2, 109319490), (3, 72879660), (4, 54659745), (5, 43727796), (6, 36439830), (7, 31234140), (9, 24293220), (10, 21863898), (12, 18219915), (14, 15617070), (15, 14575932), (18, 12146610), (20, 10931949), (21, 10411380), (27, 8097740), (28, 7808535), (30, 7287966), (35, 6246828), (36, 6073305), (42, 5205690), (45, 4858644), (49, 4462020), (54, 4048870), (60, 3643983), (63, 3470460), (70, 3123414), (84, 2602845), (90, 2429322), (98, 2231010), (105, 2082276), (108, 2024435), (126, 1735230), (135, 1619548), (140, 1561707), (147, 1487340), (180, 1214661), (189, 1156820), (196, 1115505), (210, 1041138), (245, 892404), (252, 867615), (270, 809774), (294, 743670), (315, 694092), (378, 578410), (420, 520569), (441, 495780), (490, 446202), (540, 404887), (588, 371835), (630, 347046), (735, 297468), (756, 289205), (882, 247890), (945, 231364), (980, 223101), (1260, 173523), (1323, 165260), (1470, 148734), (1764, 123945), (1890, 115682), (2205, 99156), (2646, 82630), (2940, 74367), (3780, 57841), (4410, 49578), (5292, 41315), (6615, 33052), (8263, 26460), (8820, 24789), (13230, 16526)]